CN105248442B - A kind of herbicidal composition containing topramezone - Google Patents
A kind of herbicidal composition containing topramezone Download PDFInfo
- Publication number
- CN105248442B CN105248442B CN201510765838.4A CN201510765838A CN105248442B CN 105248442 B CN105248442 B CN 105248442B CN 201510765838 A CN201510765838 A CN 201510765838A CN 105248442 B CN105248442 B CN 105248442B
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- China
- Prior art keywords
- topramezone
- halosulfuronmethyl
- ametryn
- simanex
- corn
- Prior art date
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- FMGZEUWROYGLAY-UHFFFAOYSA-N Halosulfuron-methyl Chemical group ClC1=NN(C)C(S(=O)(=O)NC(=O)NC=2N=C(OC)C=C(OC)N=2)=C1C(=O)OC FMGZEUWROYGLAY-UHFFFAOYSA-N 0.000 claims abstract description 187
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- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 229940100389 Sulfonylurea Drugs 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 244000098338 Triticum aestivum Species 0.000 description 1
- 101100339555 Zymoseptoria tritici HPPD gene Proteins 0.000 description 1
- ZRXADTFMGYNRKV-UHFFFAOYSA-N [S].C1=CC=CC2=CC=CC=C21 Chemical group [S].C1=CC=CC2=CC=CC=C21 ZRXADTFMGYNRKV-UHFFFAOYSA-N 0.000 description 1
- HYJODZUSLXOFNC-UHFFFAOYSA-N [S].[Cl] Chemical compound [S].[Cl] HYJODZUSLXOFNC-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000008052 alkyl sulfonates Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- QKZIVVMOMKTVIK-UHFFFAOYSA-M anilinomethanesulfonate Chemical compound [O-]S(=O)(=O)CNC1=CC=CC=C1 QKZIVVMOMKTVIK-UHFFFAOYSA-M 0.000 description 1
- 230000008485 antagonism Effects 0.000 description 1
- MXWJVTOOROXGIU-UHFFFAOYSA-N atrazine Chemical compound CCNC1=NC(Cl)=NC(NC(C)C)=N1 MXWJVTOOROXGIU-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000003225 biodiesel Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 150000005693 branched-chain amino acids Chemical class 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 235000021466 carotenoid Nutrition 0.000 description 1
- 150000001747 carotenoids Chemical class 0.000 description 1
- 230000032823 cell division Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000008120 corn starch Substances 0.000 description 1
- 229940099112 cornstarch Drugs 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 235000019425 dextrin Nutrition 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- YRIUSKIDOIARQF-UHFFFAOYSA-N dodecyl benzenesulfonate Chemical compound CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 YRIUSKIDOIARQF-UHFFFAOYSA-N 0.000 description 1
- 229940071161 dodecylbenzenesulfonate Drugs 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000004459 forage Substances 0.000 description 1
- 229940097068 glyphosate Drugs 0.000 description 1
- XDDAORKBJWWYJS-UHFFFAOYSA-M glyphosate(1-) Chemical compound OP(O)(=O)CNCC([O-])=O XDDAORKBJWWYJS-UHFFFAOYSA-M 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-M naphthalene-1-sulfonate Chemical compound C1=CC=C2C(S(=O)(=O)[O-])=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-M 0.000 description 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical class C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 1
- 125000006353 oxyethylene group Chemical group 0.000 description 1
- 230000000361 pesticidal effect Effects 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 150000003217 pyrazoles Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L sodium sulphate Substances [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- YROXIXLRRCOBKF-UHFFFAOYSA-N sulfonylurea Chemical class OC(=N)N=S(=O)=O YROXIXLRRCOBKF-UHFFFAOYSA-N 0.000 description 1
- 238000011514 vinification Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention relates to a kind of herbicidal composition, more particularly to a kind of corn field herbicide composition using topramezone, halosulfuronmethyl and ametryn selected from triazine herbicide or Simanex as active ingredient, the weight ratio of active ingredient topramezone, halosulfuronmethyl and triazine herbicide is (0.375 6) in said composition:(0.5‑8):(30 480), the weight percentage of active ingredient in the composition are 10 80%.This complex weedicide can be prepared into the regular dosage forms such as wettable powder, water dispersible granules, suspending agent, herbicidal composition of the present invention can prevent and kill off the various weeds of corn field at the same time, significantly improve the preventive effect to corn field weed, effective ingredient consumption is few, use cost is low, it is a kind of preferable herbicide to corn and succession crop safety.
Description
【Technical field】
The invention belongs to technical field of pesticide, and in particular to a kind of herbicidal composition containing topramezone, for preventing and kill off
Corn field weed.
【Background technology】
Corn is both the important cereal crops in China, and important forage crop and the raw material of industry, with animal husbandry, food
The development of the industries such as product processing industry, wine-making industry and biodiesel, the market demand of corn are continuously increased.The weeds of corn field occur
Generally, species is various, and China's corn field common weed has lady's-grass, eleusine indica, barnyard grass, green bristlegrass, Amaranthus retroflexus, purslane, lamb's-quarters, iron
Three-coloured amaranth, piemarker, rhizome of nutgrass flatsedge etc..When Maize Seedling is by Weed infestation, plant is short and small, and bar spire is yellow, causes middle and later periods corn growth
It is bad, Severe Reduction.Therefore, in order to reduce the economic loss caused by crop smothering, reduce labor intensity, while also removed because of chemistry
Grass is convenient, quick-acting, control time length, and chemical weed control has been commonly people and has been received, and becomes the main weeding system of corn field.Closely
Nian Lai, due to the abuse of herbicide, causes weeds to produce increasing resistance to pesticide, causes weed control efficacy to drop year by year
It is low.Therefore, from the aspect of from weed control and to corn safety two, China's corn field herbicide after seedling system is still not perfect,
Need to find other herbicides and supplemented.
Topramezone (Topramezone), other titles：Benzene pyrazoles humulone, pyrrole grass sulphur, bud are defended, chemical name：4-
[3- (4,5- dihydro-isoxazole -3- bases) -2- methyl -4- methyl sulphonyls] -1- methyl -5- hydroxyl -1H- pyrazoles, structural formula are：
Topramezone category benzoylpyrazole ketone selective inner-adsorption conduction-type herbicide, is HPPD inhibitor, after seedling cauline leaf
Processing is absorbed by root, seedling and leaf, is conducted in plant to top, base portion to separate living tissue, is suppressed the activity of 4-HPPD,
Connecing influences the generation of carotenoid, and it is withered to ultimately result in weeds.Topramezone synthesizes glyphosate tolerant, triazines, acetolactic acid
The weeds of enzyme (ALS) inhibitor and acetyl-CoA carboxylase (ACCase) inhibitor have good preventive effect, are wide spectrum postemergence weed controls
Agent, can effectively prevent and kill off corn field annual gramineae and broad leaved weed, especially good to grassy weed preventive effect, to sedge weed
It is invalid.
Halosulfuronmethyl (Halosulfuron-methyl), other titles：Pyrrole chlorine sulphur is grand, chemical name：The chloro- 5- of 3- (4,
6- dimethoxypyridin -2- base amino carbonyl aminos sulfonyl) -1- methylpyrazole -4- carboxylate methyl esters, structural formula is：
Selective herbicide is inhaled in halosulfuronmethyl category sulfonylurea, is acetolactate synthestase (ALS) inhibitor, passes through
Weeds root and leaf absorb, and the Bidirectional Conduction in plant, hinders the biosynthesis of branched-chain amino acid, suppress cell division, so that
The normal growth of weeds is caused to be destroyed and dead.Because of it, rapid metabolization is harmless object in crop body, therefore to crop safety,
Before seedling after seedling can be applied.Halosulfuronmethyl can be used for the various crop such as wheat, corn, rice and non-the crop fields to prevent and kill off part wealthy
Leaf and sedge weed, especially have the rhizome of nutgrass flatsedge good preventive effect, invalid to grassy weed.
Ametryn (Ametryn), chemical name：N2- ethyl-N4Isopropyl -6- methyl mercapto -1,3,5- triazines -2,4- two
Amine, structural formula are：
Ametryn is triazines selective inner-adsorption conduction-type herbicide, belongs to inhibitor of photosynthesis, by weeds root after dispenser
System and cauline leaf absorb, and conduct upwards and concentrate on plant tip separate living tissue, suppress the electricity in susceptible weeds photosynthesis
Son transmits, and causes nitrite accumulation in blade, reaches weeding purpose.It is mainly used for the work such as corn and soybean, sugarcane, potato
Prevent and kill off annual grassy weeds in thing field.Ametryn can promote plant growth in low concentration, stimulate the growth of young shoot and root, promote blade face
Product increase, stem overstriking etc., although high dose can prevent and kill off some perennial weeds, but still have part weeds effectively to prevent and kill off, and
And strong inhibitory action can be produced to crop.
Simanex (Simazine), other titles：Sigma's piperazine, simazine, chemical name：The chloro- 4,6- lignocaines of 2--
1,3,5-triazines, structural formula are：
Simanex category triazines selectivity inner sucting conduction type processing soil treatment agent, easily by adsorption by soil in top layer, formation pesticide-clay mixture
Layer, shallow root weeds seedlings root absorb medicament and are killed, and the perennial or deep root Weed-control effect deeper to root system is poor, uses
Annual broadleaf weed and part grassy weed are prevented and kill off in corn, sugarcane, sorghum, tea tree etc., it is poor to perennial weeds preventive effect,
Lasting period is grown, and easily produces poisoning to succession crop.
Existing many document reports cross the Herbicidal combinations containing topramezone, such as：
A kind of sugarcane field herbicidals for low-gallonage spraying of patent CN201510056372.0, disclosing ametryn can divide
It is not used for sugarcane field weeding with halosulfuronmethyl, topramezone compounding, but compound still has part weeds to prevent and kill off two-by-two, and green bristlegrass is gone out
Only broad-leaved and sedge weed can be effectively prevented and kill off with halosulfuronmethyl compounding, but it is poor to part grassy weed preventive effect, and green bristlegrass is gone out
Only grass family and broad leaved weed can be effectively prevented and kill off with topramezone compounding, but it is invalid to sedge weed, and the patent is without public affairs
Open any embodiment compounded on topramezone and halosulfuronmethyl and ametryn three and raw survey data；
Patent CN201110306959.4 and CN201310622259.5 disclose a kind of phonetic by topramezone and chlorine pyrrole
The herbicidal composition of the grand composition of sulphur, said composition can prevent and kill off corn field major part weeds but to the preventive effect of part broad leaved weed not
It is preferable；
Patent CN201410190847.0 is related to a kind of using topramezone, halosulfuronmethyl and atrazine as active ingredient
Herbicidal combinations, it is not yet found that closing topramezone and halosulfuronmethyl and the patent or document of ametryn or Simanex compounding.
In order to make up each single dose of the above and report complex preparation insufficient, the present inventor present in actual application
Further investigate, had been surprisingly found that on the basis of the screening of substantial amounts of formula indoor and field control effectiveness test, topramezone and chlorine
Pyrazosulfuron and ametryn or Simanex compound in certain ratio range, have excellent prevention effect to corn field weed,
The preventive effect and activity level shown exceeds the superposition of each component, has unexpected synergistic function, solves and remove
Careless agent is alone in limitation present on herbicide controlling spectrum, preventive effect and security, has reached expansion herbicide controlling spectrum, has improved preventive effect, improves peace
The purpose of full property.
【The content of the invention】
It is an object of the invention to the present situation according to current corn field herbicide, and a situation arises for corn field weed,
It is good, safe to use to provide a kind of broad weed-killing spectrum, herbicidal effect, is conducive to the herbicidal composition of the corn field weed comprehensive regulation.
Present invention employs following technical solution：A kind of corn field herbicide composition, containing tri- kinds of activity of A, B and C into
Point, wherein active components A is topramezone, active ingredient B is halosulfuronmethyl, active ingredient C is triazine herbicide.
Specifically, the active ingredient C triazine herbicides are selected from ametryn or Simanex.
Specifically, the weight ratio of active components A, B and C is in the herbicidal composition：(0.375-6):(0.5-8):
(30-480)。
When active ingredient C is ametryn, the weight ratio of active components A, B and C is in the herbicidal composition：
(0.375-6):(0.5-8):(30-480), is preferably：(0.375-3):(0.5-4):(30-240), more preferably：
(1.4-2.4):(1.4-2.8):(84-168), still more preferably for：(1.7-2.2):(1.7-2.4):(102-144), most
Good weight ratio is：2:2:120.
When active ingredient C is Simanex, the weight ratio of active components A, B and C is in the herbicidal composition：
(0.375-6):(0.5-8):(30-480), is preferably：(0.375-3):(0.5-4):(30-240), more preferably：
(1.4-2.4):(1.4-2.8):(90-165), still more preferably for：(1.7-2.2):(1.7-2.4):(110-140), most
Good weight ratio is：2:2:126.
Present invention also offers the preparation containing above-mentioned composition, the weight percentage of active ingredient is in the preparation
10-80%.
The preparation is any formulation for agriculturally allowing, be preferably wettable powder, water dispersible granules, suspending agent,
The various formulations of the suitable agricultural use such as dispersible oil-suspending agent, are more preferably wettable powder.
In the preparation, also contain auxiliary agent, be specially dispersant, wetting agent, disintegrant, emulsifying agent, adhesive or carrier
In one or more.
For wettable powder, can used additives include：Dispersant is selected from lignosulfonates, polycarboxylate, alkylnaphthalene sulphur
In hydrochlorate, neopelex, alkyl polyoxyethylene ether sulfonate or alkylphenol-polyethenoxy base ether formaldehyde condensation products etc.
One or more；Wetting agent is selected from lauryl sodium sulfate, Teepol, fatty alcohol polyoxyethylene ether, nonyl phenol and gathers
One or more in ethylene oxide ether or sorbitan fatty acid ester polyoxyethylene ether etc.；Carrier be selected from kaolin, diatomite,
One or more in attapulgite, bentonite or white carbon etc..
For water dispersible granules, can used additives include：Dispersant is selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulphur
One or more in hydrochlorate, alkylphenol polyoxyethylene ether or alkylphenol polyoxyethylene ether sulfonate etc.；Wetting agent is selected from naphthalene sulphur
Hydrochlorate, aliphatic alcohol sulfate, dodecyl benzene sulfonate, lauryl sodium sulfate, fatty alcohol polyoxyethylene ether or alkyl sulfonic acid
One or more in salt etc.；Disintegrant is selected from ammonium sulfate, urea, cornstarch and its derivative, low substituted hydroxy-propyl fiber
One or more in element, polyvinylpyrrolidone or sodium alginate etc.；Adhesive is selected from hydroxyethyl cellulose, soluble shallow lake
One or more in powder, polyethylene glycol, methylcellulose, dextrin, fructose or polyvinyl alcohol etc.；Carrier is selected from white carbon, height
One or more in ridge soil, bentonite, diatomite, precipitated calcium carbonate, gypsum, attapulgite, urea or sucrose etc..
For suspending agent, can used additives include：Dispersant be selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate,
One or more in TERSPERSE2425, alkylphenol polyoxyethylene ether etc.；Wetting agent is selected from alkylphenol-polyethenoxy Ji Mijia
Aldehyde condensate sulfate, alkylphenol-polyethenoxy base ether phosphate, phenethyl phenol polyoxyethylene groups ether phosphate, alkylsurfuric acid
One or more in salt, naphthalene sulfonate etc.；Thickener be selected from xanthans, carboxymethyl cellulose, Sodium Polyacrylate, bentonite,
One or more in aluminium-magnesium silicate etc.；One or more of the antifreezing agent in ethylene glycol, propane diols, glycerine, urea etc.；It is anti-
One or more of the rotten agent in formaldehyde, sorbic acid, sodium benzoate etc.；Defoamer can be organic silicon defoamer.
For dispersible oil-suspending agent, can used additives include：Dispersant is selected from methyl naphthalene sulfonic acid salt formaldehyde condensation products, poly- carboxylic
One or more in hydrochlorate, lignosulfonates, TERSPERSE 2425, alkylnaphthalene sulfonate etc.；Wetting agent is selected from alkyl
Phenol polyethenoxy ether formaldehyde condensation products sulfate, alkylphenol polyoxyethylene ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene
One or more in sulfonate etc.；Emulsifying agent is selected from ethoxylated castor oil, Nongru-700 #, agriculture breast 2201, TERSPERSE
4894th, the one or more in anhydrous sorbitol single-hard ester acid ester polyoxyethylene ether etc.；Thickener is selected from bentonite, polyethylene
One or more in alcohol, xanthans, aluminium-magnesium silicate etc.；Defoamer can be organic silicon；Decentralized medium is selected from corn oil, big
One or more in soya-bean oil, rapeseed oil, methyl oleate etc..
Salt such as polycarboxylate, lignosulfonates etc. described in above-mentioned auxiliary agent are sodium salt or calcium salt.
The beneficial effect that herbicidal composition of the present invention possesses：(1) herbicidal composition of the present invention has synergistic make
With；(2) three kinds of active ingredients of herbicidal composition of the present invention have complementary advantages, and to corn and succession crop safety, reduce at the same time
The dosage of active ingredient, reduces the adverse effect to environment；(3) herbicidal composition broad weed-killing spectrum of the present invention, can be disposable
Prevent and kill off the various weeds of corn field；(4) the herbicidal composition optimum period for applying fertilizer of the present invention extends, and herbicide is thorough；(5) herbicide of the present invention
Composition can delay the generation of herbicide resistance, so as to delay the succession speed of weed community.
【Embodiment】
In order to make the purpose , technical scheme and advantage of the present invention be clearer, present invention specific examples below
Illustrate, but be only limitted to this absolutely not.As described below is the preferable embodiment of the present invention, is used only for the description present invention, it is impossible to
Be interpreted as limitation of the present invention, it should be pointed out that be any modification, equivalent made within the spirit and principles in the present invention
Replace and improve, should all be included in the protection scope of the present invention.
Example of formulations 1：62% topramezone halosulfuronmethyl ametryn wettable powder
Weigh 1% topramezone, 1% halosulfuronmethyl, 60% ametryn, 8% lignosulfonates, 3% white carbon,
5% Teepol, attapulgite complement to 100%, and after mixing, premenstrual mixing, air-flow crushing, rear mixing, obtain
62% topramezone halosulfuronmethyl ametryn wettable powder.
Example of formulations 2：34% topramezone halosulfuronmethyl ametryn wettable powder
Weigh 3% topramezone, 1% halosulfuronmethyl, 30% ametryn, 10% alkyl polyoxyethylene ether sodium sulfonate, 3%
White carbon, 2% lauryl sodium sulfate, diatomite complement to 100%, and after mixing, premenstrual mixing, air-flow crushing, mix afterwards
Close, obtain 34% topramezone halosulfuronmethyl ametryn wettable powder.
Example of formulations 3：52% topramezone halosulfuronmethyl Simanex wettable powder
Weigh 0.8% topramezone, 0.8% halosulfuronmethyl, 50.4% Simanex, 3% sodium polycarboxylate, 3% white carbon,
4% neopelex, 8% fatty alcohol polyoxyethylene ether, bentonite complement to 100%, after mixing, premenstrual mixed
Conjunction, air-flow crushing, rear mixing, obtain 52% topramezone halosulfuronmethyl Simanex wettable powder.
Example of formulations 4：27% topramezone halosulfuronmethyl Simanex wettable powder
Weigh 1.5% topramezone, 0.5% halosulfuronmethyl, 25% Simanex, 12% neopelex, 3%
White carbon, 5% nonylphenol polyoxyethylene ether, 4% fatty alcohol polyoxyethylene ether, kaolin complement to 100%, after mixing,
Premenstrual mixing, air-flow crushing, rear mixing, obtain 27% topramezone halosulfuronmethyl Simanex wettable powder.
Example of formulations 5：70% topramezone halosulfuronmethyl ametryn water dispersible granules
Weigh 3% topramezone, 1% halosulfuronmethyl, 66% ametryn, 6% sodium lignin sulfonate, 4% fatty alcohol sulphur
Hydrochlorate, 1% ammonium sulfate, 0.2% polyethylene glycol, kaolin complement to 100%, after mixing, premenstrual mixing, air-flow crushing,
Mix afterwards plus water is mediated, is granulated, sieved, obtain 70% topramezone halosulfuronmethyl ametryn water dispersible granules.
Example of formulations 6：44% topramezone halosulfuronmethyl ametryn water dispersible granules
Weigh 1% topramezone, 1% halosulfuronmethyl, 42% ametryn, 4% sodium polycarboxylate, 5% fatty alcohol polyoxy second
Alkene ether, 2% sodium alginate, 0.5% polyvinyl alcohol, precipitated calcium carbonate soil complement to 100%, after mixing, premenstrual mixing, gas
Stream crushes, mixing plus water are mediated, are granulated, sieved afterwards, obtains 44% topramezone halosulfuronmethyl ametryn water-dispersible grain
Agent.
Example of formulations 7：72% topramezone halosulfuronmethyl Simanex water dispersible granules
Weigh 0.8% topramezone, 1.2% halosulfuronmethyl, 70% Simanex, 5% sodium lignin sulfonate, 7% 12
Sodium alkyl sulfate, 2% urea, 1% methylcellulose, diatomite complement to 100%, after mixing, premenstrual mixing, air-flow powder
Broken, rear mixing plus water are mediated, are granulated, screening, obtain 72% topramezone halosulfuronmethyl Simanex water dispersible granules.
Example of formulations 8：17% topramezone halosulfuronmethyl Simanex water dispersible granules
Weigh 1% topramezone, 1% halosulfuronmethyl, 15% Simanex, 10% Negel, 6% naphthalene sulfonic acids
Salt, 1.5% sodium alginate, 1% hydroxyethyl cellulose, bentonite complement to 100%, after mixing, premenstrual mixing, air-flow powder
Broken, rear mixing plus water are mediated, are granulated, screening, obtain 17% topramezone halosulfuronmethyl Simanex water dispersible granules.
Example of formulations 9：52% topramezone halosulfuronmethyl ametryn suspending agent
2% topramezone, 1% halosulfuronmethyl, 49% ametryn, 3%TERSPERSE2425,2% alkyl phenol is weighed to gather
Oxyethylene group ether phosphate, 0.2% xanthans, 2% ethylene glycol, 0.5% sorbic acid, 1% organic silicon defoamer, deionized water are mended
Foot after mixing, obtains 52% topramezone halosulfuronmethyl to 100% after high speed shear is disperseed, sand mill is sanded
Ametryn suspending agent.
Example of formulations 10：20% topramezone halosulfuronmethyl ametryn suspending agent
Weigh 0.5% topramezone, 0.5% halosulfuronmethyl, 19% ametryn, 3% sodium polycarboxylate, 4% phenethyl phenol
Polyoxyethylene groups ether phosphate, 2% Sodium Polyacrylate, 0.3% carboxymethyl cellulose, 0.5% sorbic acid, 0.2% organosilicon disappear
Infusion, deionized water complement to 100%, after mixing, 20% benzene azoles grass are obtained after high speed shear is disperseed, sand mill is sanded
Ketone halosulfuronmethyl ametryn suspending agent.
Example of formulations 11：54% topramezone halosulfuronmethyl Simanex suspending agent
Weigh 2.6% topramezone, 1.4% halosulfuronmethyl, 50% Simanex, 1% lignosulfonates, 4% alkyl
Sulfate, 1% aluminium-magnesium silicate, 4% propane diols, 0.1% sodium benzoate, 0.1% organic silicon defoamer, deionized water complement to
100%, after mixing, 54% topramezone halosulfuronmethyl Sigma is obtained after high speed shear is disperseed, sand mill is sanded
Tianjin suspending agent.
Example of formulations 12：37% topramezone halosulfuronmethyl Simanex suspending agent
Weigh 1.2% topramezone, 1.8% halosulfuronmethyl, 34% Simanex, 3% alkylnaphthalene sulfonate, 2% alkyl
Phenol polyethenoxy base ether formaldehyde condensation products sulfate, 2% bentonite, 1% glycerine, 0.1% sodium benzoate, 0.2% organosilicon disappear
Infusion, deionized water complement to 100%, after mixing, 37% benzene azoles grass are obtained after high speed shear is disperseed, sand mill is sanded
Ketone halosulfuronmethyl Simanex suspending agent.
Example of formulations 13：The 15% dispersible oil-suspending agent of topramezone halosulfuronmethyl ametryn
Weigh 0.5% topramezone, 1% halosulfuronmethyl, 13.5% ametryn, 7% methyl naphthalene sulfonic acid salt formaldehyde condensation
Thing, 6% sodium alkyl sulfate, 5% agriculture breast 2201,3% polyvinyl alcohol, 0.15% organic silicon defoamer, corn oil complement to
100%, after mixing, ground or high speed shear is disperseed, and is gone out up to the 15% topramezone halosulfuronmethyl green bristlegrass
Net dispersible oil-suspending agent.
Example of formulations 14：The 28% dispersible oil-suspending agent of topramezone halosulfuronmethyl ametryn
Weigh 2% topramezone, 3% halosulfuronmethyl, 23% ametryn, 8% sodium polycarboxylate, 5% alkyl phenol polyoxy second
Alkene ether phosphate, 5% ethoxylated castor oil, 0.2% xanthans, 0.5% organobentonite, 1% organic silicon defoamer, corn
Oil complements to 100%, and after mixing, ground or high speed shear is disperseed, up to the phonetic sulphur of the 28% topramezone chlorine pyrrole
The grand dispersible oil-suspending agent of ametryn.
Example of formulations 15：The 33% dispersible oil-suspending agent of topramezone halosulfuronmethyl Simanex
Weigh 1.2% topramezone, 1.8% halosulfuronmethyl, 30% Simanex, 10% sodium lignin sulfonate, 8% alkyl
Sodium sulphate, 5%TERSPERSE4894,3% polyvinyl alcohol, 2% organic silicon defoamer, corn oil complement to 100%, and mixing is equal
After even, ground or high speed shear is disperseed, outstanding up to the dispersible oil of the 33% topramezone halosulfuronmethyl Simanex
Floating agent.
Example of formulations 16：The 31% dispersible oil-suspending agent of topramezone halosulfuronmethyl Simanex
Weigh 0.5% topramezone, 0.5% halosulfuronmethyl, 30% Simanex, 7%TERSPERSE 2425,8% alkane
Base phenol polyethenoxy ether phosphate, 2% agriculture breast 2201,1% bentonite, 1% organic silicon defoamer, methyl oleate complement to
100%, after mixing, ground or high speed shear is disperseed, up to the 31% topramezone halosulfuronmethyl Sigma
The dispersible oil-suspending agent in Tianjin.
It is raw to survey embodiment 1：
Topramezone, halosulfuronmethyl and ametryn compounding synergy measure and Herbicidal experiment
In order to prevent and kill off the corn field weed in agricultural production, inventor has carried out topramezone, halosulfuronmethyl and green bristlegrass and has gone out
The synergy research that net phase mutually compounds, carries out cauline leaf process using indoor pot method, tests reference《People's Republic of China's agricultural row
Industry standard NY/T 1155.7-2006 farm-chemical indoor determinations test rule-herbicide》7th part：The synergy of mixture
The Colby methods instructed in measure.
1st, reagent agent
98% topramezone active compound
98% halosulfuronmethyl active compound
97% ametryn active compound
2nd, for trying weeds
Eleusine indica, Amaranthus retroflexus, the rhizome of nutgrass flatsedge
Potted plant cultivation is used for the culture for trying weeds, with 11 × 12cm plastic tubs, is placed in shallow-water tank, will not make
The soil adopted back in the farmland of used herbicide air-dries, and basin is filled after sieving, and dry ground is quantified at 4/5 in basin, and P in soil H values 7.0, have
Machine matter content 1.2%.After soil is moistened completely with basin alms bowl bottom infiltrating irrigation mode, pretreatment is quantitatively spread for examination weed seed
Soil surface is sowed at, according to seed size earthing 0.5cm~1.0cm, 28~32 DEG C/18~25 DEG C of indoor temperature (d/n), relatively
Humidity 75% ± 15%.The bottom infiltrating irrigation mode moisturizing of basin alms bowl is used in incubation, keeps soil to be sufficiently humidified so as to.Treat that weeds emerge
Eleusine indica is set to 10 plants afterwards, Amaranthus retroflexus and the rhizome of nutgrass flatsedge are set to 5 plants.
3rd, experimental design
Experiment sets 41 processing altogether, wherein topramezone set 0.375,0.75,1.5,3, at 6g a.i./dosage of mu 5
Reason, halosulfuronmethyl sets 0.5,1,2,4, the 8g a.i./dosage of mu 5 processing, ametryn sets 30,60,120,240,480g
A.i./the dosage of mu 5 processing, topramezone+halosulfuronmethyl+ametryn three use with and set up 0.375+0.5+30,0.375+1 separately
+60、0.375+2+120、0.375+4+240、0.375+8+480、0.75+0.5+60、0.75+1+120、0.75+2+240、
0.75+4+480、0.75+8+30、1.5+0.5+120、1.5+1+240、1.5+2+480、1.5+4+30、1.5+8+60、3+0.5+
240、3+1+480、3+2+30、3+4+60、3+8+120、6+0.5+480、6+1+30、6+2+60、6+4+120、6+8+240g
A.i./the dosage ratio of mu 25 processing, separately sets an auxiliary agent control, amounts to 41 processing, be repeated 4 times.
4th, test method
Spray (ASS-4 type agricultures in spray tower are placed in grass family and sedge weed 2-4 leaf phases, broad leaved weed 3-5 leaves
Medicine sprinkling system, DG8003 nozzles, atomisation pressure 2.75MPa, 30Kg/ mus of spouting liquid), treat that natural air drying is placed in greenhouse and train
Support observation.
5th, weedy rices and analysis method
After dispenser, growth conditions, poisoning symptom and the poisoning degree of routine observation weeds, record symptom of chemical damage, 21 after medicine
It weighs aerial part fresh weight, calculates weeds survival rate E, and uses the type of action of medicament with using the evaluation of Colby methods, further
Inquire into the reasonability of proportioning.
The check plot weeds fresh weight ... ... ... ... ... (1) of E=treatment region weeds fresh weight × 100/
Colby method calculation formula：
The weeds survival rate of herbicide A when X --- dosage is P；
The weeds survival rate of herbicide B when Y --- dosage is Q；
The weeds survival rate of herbicide C when Z --- dosage is W；
E0--- the theoretical weeds survival rate of herbicide (A+B+C) when dosage is (P+Q+W)；
E0- E ＞ 10% are synergistic effect；E0- E ＜ -10% are antagonism；E0- E values are summation action between ± 10%.
6th, result and analysis in table 1-3
The actual measurement survival rate and theoretical survival rate of 1 topramezone of table, halosulfuronmethyl and ametryn mixture to eleusine indica
Topramezone, the halosulfuronmethyl co-toxicity to eleusine indica mixed with ametryn：Topramezone and ametryn pair
Eleusine indica has preventive effect, and topramezone is preferable to the preventive effect of eleusine indica, and ametryn is slightly worse to the preventive effect of eleusine indica, halosulfuronmethyl
To eleusine indica to no effect, with the increase of topramezone and ametryn dosage, the preventive effect of eleusine indica is improved after using with.
The actual measurement survival rate and theoretical survival rate of 2 topramezone of table, halosulfuronmethyl and ametryn mixture to Amaranthus retroflexus
Topramezone, the halosulfuronmethyl co-toxicity to Amaranthus retroflexus mixed with ametryn：Three kinds of active ingredients are to anti-branch
Amaranth is effective, and ametryn is preferable to the preventive effect of Amaranthus retroflexus, topramezone and halosulfuronmethyl to the preventive effect of Amaranthus retroflexus relatively
Difference, with the increase of ametryn dosage, improves the preventive effect of Amaranthus retroflexus after using with.
The actual measurement survival rate and theoretical survival rate of 3 topramezone of table, halosulfuronmethyl and ametryn mixture to the rhizome of nutgrass flatsedge
Topramezone, the halosulfuronmethyl co-toxicity to the rhizome of nutgrass flatsedge mixed with ametryn：Halosulfuronmethyl is to the rhizome of nutgrass flatsedge
Preventive effect it is preferable, topramezone and ametryn are poor to the preventive effect of the rhizome of nutgrass flatsedge, with the increase of halosulfuronmethyl dosage, after using with
The preventive effect of the rhizome of nutgrass flatsedge is improved.
Toxicity Determination the result shows that, topramezone, halosulfuronmethyl and ametryn are at weight ratio (0.375-6):
(0.5-8):Used with the range of (30-480) and weeds are shown as with addition or synergistic effect, at weight ratio (0.375-3):
(0.5-4):Being used with the range of (30-240) has obvious synergistic effect, expands herbicide controlling spectrum, has reached while prevented and kill off corn
The purpose of field main weeds.
It is raw to survey embodiment 2：
Topramezone, halosulfuronmethyl and Simanex compounding synergy measure and Herbicidal experiment
In order to prevent and kill off the corn field weed in agricultural production, inventor has carried out topramezone, halosulfuronmethyl and Sigma
The synergy research that Tianjin mutually compounds, carries out cauline leaf process using indoor pot method, tests reference《People's Republic of China's agricultural row
Industry standard NY/T 1155.7-2006 farm-chemical indoor determinations test rule-herbicide》7th part：The synergy of mixture
The Colby methods instructed in measure.
Specific method surveys embodiment 1 with raw, and difference is：
1st, reagent agent
98% topramezone active compound
98% halosulfuronmethyl active compound
95% Simanex active compound
3rd, experimental design
Experiment sets 41 processing altogether, wherein topramezone set 0.375,0.75,1.5,3, at 6g a.i./dosage of mu 5
Reason, halosulfuronmethyl sets 0.5,1,2,4, the 8g a.i./dosage of mu 5 processing, Simanex sets 30,60,120,240,480g
A.i./the dosage of mu 5 processing, topramezone+halosulfuronmethyl+Simanex three use with and set up 0.375+0.5+30,0.375+1 separately
+60、0.375+2+120、0.375+4+240、0.375+8+480、0.75+0.5+60、0.75+1+120、0.75+2+240、
0.75+4+480、0.75+8+30、1.5+0.5+120、1.5+1+240、1.5+2+480、1.5+4+30、1.5+8+60、3+0.5+
240、3+1+480、3+2+30、3+4+60、3+8+120、6+0.5+480、6+1+30、6+2+60、6+4+120、6+8+240g
A.i./the dosage ratio of mu 25 processing, separately sets an auxiliary agent control, amounts to 41 processing, be repeated 4 times.
6th, result and analysis in table 4-6
The actual measurement survival rate and theoretical survival rate of 4 topramezone of table, halosulfuronmethyl and Simanex mixture to eleusine indica
Topramezone, the halosulfuronmethyl co-toxicity to eleusine indica mixed with Simanex：Topramezone and Simanex pair
Eleusine indica has preventive effect, and topramezone is preferable to the preventive effect of eleusine indica, and Simanex is slightly worse to the preventive effect of eleusine indica, halosulfuronmethyl
To eleusine indica to no effect, with the increase of topramezone and Simanex dosage, the preventive effect of eleusine indica is improved after using with.
The actual measurement survival rate and theoretical survival rate of 5 topramezone of table, halosulfuronmethyl and Simanex mixture to Amaranthus retroflexus
Topramezone, the halosulfuronmethyl co-toxicity to Amaranthus retroflexus mixed with Simanex：Three kinds of active ingredients are to anti-branch
Amaranth is effective, and Simanex is preferable to the preventive effect of Amaranthus retroflexus, topramezone and halosulfuronmethyl to the preventive effect of Amaranthus retroflexus relatively
Difference, with the increase of Simanex dosage, improves the preventive effect of Amaranthus retroflexus after using with.
The actual measurement survival rate and theoretical survival rate of 6 topramezone of table, halosulfuronmethyl and Simanex mixture to the rhizome of nutgrass flatsedge
Topramezone, the halosulfuronmethyl co-toxicity to the rhizome of nutgrass flatsedge mixed with Simanex：Halosulfuronmethyl is to the rhizome of nutgrass flatsedge
Preventive effect it is preferable, topramezone and Simanex are poor to the preventive effect of the rhizome of nutgrass flatsedge, with the increase of halosulfuronmethyl dosage, after using with
The preventive effect of the rhizome of nutgrass flatsedge is improved.
Toxicity Determination the result shows that, topramezone, halosulfuronmethyl and Simanex are at weight ratio (0.375-6):
(0.5-8):Used with the range of (30-480) and weeds are shown as with addition or synergistic effect, at weight ratio (0.375-3):
(0.5-4):Being used with the range of (30-240) has preferable synergistic effect, expands herbicide controlling spectrum, has reached while prevented and kill off corn
The purpose of field main weeds.
It is raw to survey embodiment 3：
The safety testing of topramezone, halosulfuronmethyl and ametryn compounding to corn
In order to study the security that topramezone, halosulfuronmethyl and ametryn mutually compound, inventor has done following examination
Test, test reference《People's Republic of China's agricultural industry criteria NY/T 1155.8-2007 farm-chemical indoor determinations experiment is accurate
Then-herbicide》8th part：The safety testing cauline leaf spray-on process of crop.
1st, reagent agent
98% topramezone active compound
98% halosulfuronmethyl active compound
97% ametryn active compound
2nd, for studying thing
Corn
Greenhouse pot culture method is used for the culture for studying thing, with 11 × 12cm plastic tubs, is placed in shallow-water tank, will not make
The soil adopted back in the farmland of used herbicide air-dries, and basin is filled after sieving, and dry ground is quantified at 4/5 in basin, and P in soil H values 7.0, have
Machine matter content 1.2%.After top-watered makes soil moisten completely, corn seed is quantified and is broadcasted sowing in soil surface, according to kind
Sub- size earthing 0.5cm~2.0cm, 28~32 DEG C/18~25 DEG C of indoor temperature (d/n), relative humidity 75% ± 15%.Culture
During use the bottom infiltrating irrigation mode moisturizing of basin alms bowl, keep soil to be sufficiently humidified so as to.After emergence of corn, corn is set to 10 plants.
3rd, for trying weeds
Eleusine indica, lady's-grass, purslane, Amaranthus retroflexus, the rhizome of nutgrass flatsedge
Greenhouse pot culture method is used for the culture for trying weeds, with 11 × 12cm plastic tubs, is placed in shallow-water tank, will not make
The soil adopted back in the farmland of used herbicide air-dries, and basin is filled after sieving, and dry ground is quantified at 4/5 in basin, and P in soil H values 7.0, have
Machine matter content 1.2%.After soil is moistened completely with basin alms bowl bottom infiltrating irrigation mode, pretreatment is quantitatively spread for examination weed seed
Soil surface is sowed at, according to seed size earthing 0.5cm~1.0cm, 28~32 DEG C/18~25 DEG C of indoor temperature (d/n), relatively
Humidity 75% ± 15%.The bottom infiltrating irrigation mode moisturizing of basin alms bowl is used in incubation, keeps soil to be sufficiently humidified so as to.Treat that weeds emerge
Eleusine indica, lady's-grass are set to 10 plants afterwards, purslane, Amaranthus retroflexus, the rhizome of nutgrass flatsedge are set to 5 plants.
4th, experimental design
Experiment sets 41 processing altogether, wherein topramezone set 0.6,1.2,2.4,4.8, at 9.6g a.i./dosage of mu 5
Reason, halosulfuronmethyl sets 0.75,1.5,3,6, the 12g a.i./dosage of mu 5 processing, ametryn sets 45,90,180,360,720g
A.i./the dosage of mu 5 processing, topramezone+halosulfuronmethyl+ametryn three use with and set up 0.375+0.5+30,0.375+1 separately
+60、0.375+2+120、0.375+4+240、0.375+8+480、0.75+0.5+60、0.75+1+120、0.75+2+240、
0.75+4+480、0.75+8+30、1.5+0.5+120、1.5+1+240、1.5+2+480、1.5+4+30、1.5+8+60、3+0.5+
240、3+1+480、3+2+30、3+4+60、3+8+120、6+0.5+480、6+1+30、6+2+60、6+4+120、6+8+240g
A.i./the dosage ratio of mu 25 processing, separately sets an auxiliary agent control, amounts to 41 processing, be repeated 4 times.
5th, test method
It is placed in when corn 3-5 leaf phases, grass family and sedge weed 2-4 leaf phases, broad leaved weed during the 3-5 leaf phases in spray tower
Spray (ASS-4 type pesticide spraying systems, DG8003 nozzles, atomisation pressure 2.75MPa, 30Kg/ mus of spouting liquid), treated after dispenser certainly
So air-dry to be placed in greenhouse and cultivate observation.
6th, crop is investigated
After dispenser, each processing corn of investigation whether there is symptom of chemical damage, detailed record symptom of chemical damage, grade if having, 21 after medicine
Each processing corn fresh weight of its measurement, calculates fresh weight inhibition, the security with clear and definite test medicine to corn.
7 poisoning evaluation index of table
| Poisoning is classified | Poisoning degree (%) | As a result describe |
| 0 | 0 | Safety, no poisoning |
| 1 | 1~10 | Without obvious poisoning |
| 2 | 11~30 | Slight poisoning |
| 3 | 31~50 | Moderate poisoning |
| 4 | ＞ 50 | Serious poisoning |
7th, weedy rices
Growth conditions, poisoning symptom and the poisoning degree of periodical visual inspection observation weeds, record symptom of chemical damage after dispenser.After medicine
21 days fresh weight preventive effects that each processing is calculated using growth inhibition assay.
Growth inhibition assay calculation formula：
In formula：
E-fresh weight preventive effect, unit are percentage (%)；
T0- control weeds aerial part fresh weight, unit are gram；
T1- processing weeds aerial part fresh weight, unit are gram.
8th, result and analysis：
Table 8 respectively handles the preventive effect to weeds and the poisoning classification to corn
It can be seen from Table 8 that topramezone halosulfuronmethyl ametryn mixture is compared with single dose, in weight ratio
(0.375-6):(0.5-8):In the range of (30-480), preventive effect to corn field main weeds and high to the security of corn
In single dose, to corn safety.
It is raw to survey embodiment 4：
The safety testing of topramezone, halosulfuronmethyl and Simanex compounding to corn
In order to study the security that topramezone, halosulfuronmethyl and Simanex mutually compound, inventor has done following examination
Test, test reference《People's Republic of China's agricultural industry criteria NY/T 1155.8-2007 farm-chemical indoor determinations experiment is accurate
Then-herbicide》8th part：The safety testing cauline leaf spray-on process of crop.
Specific test method surveys embodiment 3 with raw, and difference is：
1st, reagent agent
98% topramezone active compound
98% halosulfuronmethyl active compound
95% Simanex active compound
4th, experimental design
Experiment sets 41 processing altogether, wherein topramezone set 0.6,1.2,2.4,4.8, at 9.6g a.i./dosage of mu 5
Reason, halosulfuronmethyl sets 0.75,1.5,3,6, the 12g a.i./dosage of mu 5 processing, Simanex sets 45,90,180,360,720g
A.i./the dosage of mu 5 processing, topramezone+halosulfuronmethyl+Simanex three use with and set up 0.375+0.5+30,0.375+1 separately
+60、0.375+2+120、0.375+4+240、0.375+8+480、0.75+0.5+60、0.75+1+120、0.75+2+240、
0.75+4+480、0.75+8+30、1.5+0.5+120、1.5+1+240、1.5+2+480、1.5+4+30、1.5+8+60、3+0.5+
240、3+1+480、3+2+30、3+4+60、3+8+120、6+0.5+480、6+1+30、6+2+60、6+4+120、6+8+240g
A.i./the dosage ratio of mu 25 processing, separately sets an auxiliary agent control, amounts to 41 processing, be repeated 4 times.
8th, result and analysis：
Table 9 respectively handles the preventive effect to weeds and the poisoning classification to corn
It can be seen from Table 9 that topramezone halosulfuronmethyl Simanex mixture is compared with single dose, in weight ratio
(0.375-6):(0.5-8):In the range of (30-480), preventive effect to corn field main weeds and high to the security of corn
In single dose, to corn safety.
In conclusion topramezone halosulfuronmethyl ametryn or Simanex have compounded significantly within the specific limits
Synergistic effect, to crop safety, complex preparation is not only that corn field provides a kind of safe, practical herbicide, and significantly
Reduce the cost of enterprise and peasant household.
It is raw to survey embodiment 5：
Control Weeds in Maize Field field control effectiveness test I：
1st, test process
(1) 62% topramezone halosulfuronmethyl ametryn wettable powder (3:0.5:30) 100g/ mus
(2) 62% topramezone halosulfuronmethyl ametryn wettable powders (2.8:0.8:48) 100g/ mus
(3) 62% topramezone halosulfuronmethyl ametryn wettable powders (2.6:1.1:66) 100g/ mus
(4) 62% topramezone halosulfuronmethyl ametryn wettable powders (2.4:1.4:84) 100/ mu
(5) 62% topramezone halosulfuronmethyl ametryn wettable powders (2.2:1.7:102) 100g/ mus
(6) 62% topramezone halosulfuronmethyl ametryn wettable powders (2:2:120) 100g/ mus
(7) 62% topramezone halosulfuronmethyl ametryn wettable powders (1.7:2.4:144) 100g/ mus
(8) 62% topramezone halosulfuronmethyl ametryn wettable powders (1.4:2.8:168) 100g/ mus
(9) 62% topramezone halosulfuronmethyl ametryn wettable powders (1.1:3.2:192) 100g/ mus
(10) 62% topramezone halosulfuronmethyl ametryn wettable powders (0.75:3.6:216) 100g/ mus
(11) 62% topramezone halosulfuronmethyl ametryn wettable powders (0.375:4:240) 100g/ mus
(12) 30% 7g/ mus of topramezone suspending agents
(13) 75% 3.2g/ mus of halosulfuronmethyl water dispersible granules
(14) 48% 300g/ mus of ametryn wettable powders
(15) blank control
Experiment sets 14 processing, and 4 repetitions, totally 56 processing cells, often handle 20 square metres of plot area, random district's groups
Arrangement.(1)~(11) 62% topramezone halosulfuronmethyl ametryn wettable powder is reagent agent, (12)~(14)
30% topramezone suspending agent, 75% halosulfuronmethyl water dispersible granules, 48% ametryn wettable powder are comparison medicament.Often
Mu is watered 30 kilograms, using 552 third type sprayers (0.7mm apertures) even spraying.Field main weeds have eleusine indica, dog tail
Grass, lady's-grass, purslane, Amaranthus retroflexus, rhizome of nutgrass flatsedge etc..
2nd, pilot project and method
(1) security：After dispenser, the growth and development situation of corn, security of the evaluation reagent agent to corn are investigated.
(2) herbicidal effect：Take at random per cell at 4 points, investigate 1/4 square metre, investigation weed control in 30 days after dispenser at every
Effect, records weeds species and strain number respectively, calculates weeds strain preventive effect.
(3) result of the test
Security：Investigated after dispenser, chemicals treatment district corn plant height, leaf color and blank district are basically identical, show to supply
62% topramezone halosulfuronmethyl ametryn wettable powder of reagent agent (1)~(11) is to corn safety.
Herbicidal effect, is shown in Table 10：
Preventive effect of the 1062% topramezone halosulfuronmethyl ametryn wettable powder of table to corn field weed
Note：(1) 62% topramezone halosulfuronmethyl ametryn wettable powder (3:0.5:30)
(2) 62% topramezone halosulfuronmethyl ametryn wettable powders (2.8:0.8:48)
(3) 62% topramezone halosulfuronmethyl ametryn wettable powders (2.6:1.1:66)
(4) 62% topramezone halosulfuronmethyl ametryn wettable powders (2.4:1.4:84)
(5) 62% topramezone halosulfuronmethyl ametryn wettable powders (2.2:1.7:102)
(6) 62% topramezone halosulfuronmethyl ametryn wettable powders (2:2:120)
(7) 62% topramezone halosulfuronmethyl ametryn wettable powders (1.7:2.4:144)
(8) 62% topramezone halosulfuronmethyl ametryn wettable powders (1.4:2.8:168)
(9) 62% topramezone halosulfuronmethyl ametryn wettable powders (1.1:3.2:192)
(10) 62% topramezone halosulfuronmethyl ametryn wettable powders (0.75:3.6:216)
(11) 62% topramezone halosulfuronmethyl ametryn wettable powders (0.375:4:240)
(12) 30% topramezone suspending agents
(13) 75% halosulfuronmethyl water dispersible granules
(14) 48% ametryn wettable powders
(15) blank control
As shown in Table 10,62% topramezone halosulfuronmethyl ametryn wettable powder of different ratio is to common
It is phonetic to be superior to 30% topramezone suspending agent of comparison medicament, 75% chlorine pyrrole between 85.32%~97.07% for weeds strain preventive effect
(weeds strain preventive effect is respectively 67.10%, 43.83% and for sulphur precititation dispersible granule, 48% ametryn wettable powder
58.22%).Wherein topramezone, halosulfuronmethyl and ametryn weight ratio are (0.375-3):(0.5-4):When (30-240)
There is obvious preventive effect to corn field common weed, weeds strain preventive effect is all more than 85%；Topramezone, halosulfuronmethyl and ametryn
Weight ratio is (1.1-2.6):(1.1-3.2):Preferable to corn field common weed preventive effect when (66-192), weeds strain preventive effect all exists
More than 90%；And topramezone, halosulfuronmethyl and ametryn weight ratio are 2:2:Preventive effect is more up to 97.07% when 120.By
This explanation, topramezone, halosulfuronmethyl and ametryn are at weight ratio (0.375-3):(0.5-4):It is right in the range of (30-240)
The common weeds of corn field have preventive effect, and this herbicidal composition is to corn safety.
Control Weeds in Maize Field field control effectiveness test II：
1st, test process
(1) 10% topramezone halosulfuronmethyl ametryn wettable powder (2:2:120) 620g/ mus
(2) 62% topramezone halosulfuronmethyl ametryn wettable powders (2:2:120) 100g/ mus
(3) 80% topramezone halosulfuronmethyl ametryn wettable powders (2:2:120) 77.5g/ mus
Experiment sets 3 processing, and 4 repetitions, totally 12 processing cells, often handle 20 square metres of plot area, random district's groups
Arrangement.(1)~(3) topramezone halosulfuronmethyl ametryn wettable powder is reagent agent, is watered 30 kilograms per acre,
Using 552 third type sprayers (0.7mm apertures) even spraying.It is field main weeds eleusine indica, green bristlegrass, lady's-grass, purslane, anti-
Branch amaranth, rhizome of nutgrass flatsedge etc..
2nd, pilot project and method
Herbicidal effect：Take at random per cell at 4 points, investigate 1/4 square metre, 30 days investigation weed control effects after dispenser at every
Fruit, records weeds species and strain number respectively, calculates weeds strain preventive effect.
3rd, result of the test：Herbicidal effect is shown in Table 11
Preventive effect of 30 days topramezone halosulfuronmethyl ametryns to various weeds after 11 medicine of table
Note：(1) 10% topramezone halosulfuronmethyl ametryn wettable powder (2:2:120)
(2) 60% topramezone halosulfuronmethyl ametryn wettable powders (2:2:120)
(3) 80% topramezone halosulfuronmethyl ametryn wettable powders (2:2:120)
As shown in Table 11, when the weight ratio of topramezone, halosulfuronmethyl and ametryn is 2:2:When 120, different content
Topramezone halosulfuronmethyl ametryn wettable powder to common weed strain preventive effect more than 97%, show benzene azoles
When humulone, halosulfuronmethyl and ametryn weight ratio are optimal proportion, the herbicidal composition of different activities component content is to miscellaneous
Grass has significant preventive effect.
It is raw to survey embodiment 6：
Control Weeds in Maize Field field control effectiveness test I：
1st, test process
(1) 52% topramezone halosulfuronmethyl Simanex wettable powder (3:0.5:30) 125g/ mus
(2) 52% topramezone halosulfuronmethyl Simanex wettable powders (2.8:0.8:50) 125g/ mus
(3) 52% topramezone halosulfuronmethyl Simanex wettable powders (2.6:1.1:70) 125g/ mus
(4) 52% topramezone halosulfuronmethyl Simanex wettable powders (2.4:1.4:90) 125g/ mus
(5) 52% topramezone halosulfuronmethyl Simanex wettable powders (2.2:1.7:110) 125g/ mus
(6) 52% topramezone halosulfuronmethyl Simanex wettable powders (2:2:126) 125g/ mus
(7) 52% topramezone halosulfuronmethyl Simanex wettable powders (1.7:2.4:140) 125g/ mus
(8) 52% topramezone halosulfuronmethyl Simanex wettable powders (1.4:2.8:165) 125g/ mus
(9) 52% topramezone halosulfuronmethyl Simanex wettable powders (1.1:3.2:190) 125g/ mus
(10) 52% topramezone halosulfuronmethyl Simanex wettable powders (0.75:3.6:215) 125g/ mus
(11) 52% topramezone halosulfuronmethyl Simanex wettable powders (0.375:4:240) 125g/ mus
(12) 30% 6.7g/ mus of topramezone suspending agents
(13) 75% 3.2g/ mus of halosulfuronmethyl water dispersible granules
(14) 50% 288g/ mus of Simanex wettable powders
(15) blank control
Experiment sets 10 processing, and 4 repetitions, totally 40 processing cells, often handle 20 square metres of plot area, random district's groups
Arrangement.(1)~(11) 52% topramezone halosulfuronmethyl Simanex wettable powder is reagent agent, (12)~(14)
30% topramezone suspending agent, 75% halosulfuronmethyl water dispersible granules, 50% Simanex wettable powder are comparison medicament.Often
Mu is watered 30 kilograms, using 552 third type sprayers (0.7mm apertures) even spraying.Field main weeds have eleusine indica, dog tail
Grass, lady's-grass, purslane, Amaranthus retroflexus, rhizome of nutgrass flatsedge etc..
2nd, pilot project and method
(1) security：After dispenser, the growth and development situation of corn, security of the evaluation reagent agent to corn are investigated.
(2) herbicidal effect：Take at random per cell at 4 points, investigate 1/4 square metre, investigation weed control in 30 days after dispenser at every
Effect, records weeds species and strain number respectively, calculates weeds strain preventive effect.
(3) result of the test
Security：Investigated after dispenser, chemicals treatment district corn plant height, leaf color and blank district are basically identical, show to supply
52% topramezone halosulfuronmethyl Simanex wettable powder of reagent agent (1)~(11) is to corn safety.
Weeding is as a result, be shown in Table 12：
Preventive effect of the 12 52% topramezone halosulfuronmethyl Simanex wettable powder of table to corn field weed
Note：(1) 52% topramezone halosulfuronmethyl Simanex wettable powder (3:0.5:30)
(2) 52% topramezone halosulfuronmethyl Simanex wettable powders (2.8:0.8:50)
(3) 52% topramezone halosulfuronmethyl Simanex wettable powders (2.6:1.1:70)
(4) 52% topramezone halosulfuronmethyl Simanex wettable powders (2.4:1.4:90)
(5) 52% topramezone halosulfuronmethyl Simanex wettable powders (2.2:1.7:110)
(6) 52% topramezone halosulfuronmethyl Simanex wettable powders (2:2:126)
(7) 52% topramezone halosulfuronmethyl Simanex wettable powders (1.7:2.4:140)
(8) 52% topramezone halosulfuronmethyl Simanex wettable powders (1.4:2.8:165)
(9) 52% topramezone halosulfuronmethyl Simanex wettable powders (1.1:3.2:190)
(10) 52% topramezone halosulfuronmethyl Simanex wettable powders (0.75:3.6:215)
(11) 52% topramezone halosulfuronmethyl Simanex wettable powders (0.375:4:240)
(12) 30% topramezone suspending agents
(13) 75% halosulfuronmethyl water dispersible granules
(14) 50% Simanex wettable powders
(15) blank control
As shown in Table 12,52% topramezone halosulfuronmethyl Simanex wettable powder of different ratio is to common
It is phonetic to be superior to 30% topramezone suspending agent of comparison medicament, 75% chlorine pyrrole between 85.50%~97.43% for weeds strain preventive effect
(weeds strain preventive effect is respectively 67.41%, 44.69% and for sulphur precititation dispersible granule, 50% Simanex wettable powder
57.29%).Wherein topramezone, halosulfuronmethyl and Simanex weight ratio are (0.375-3):(0.5-4):When (30-240)
There is obvious preventive effect to corn field common weed, weeds strain preventive effect is all more than 85%；Topramezone, halosulfuronmethyl and Simanex
Weight ratio is (1.1-2.6):(1.1-3.2):Preferable to corn field common weed preventive effect when (70-190), weeds strain preventive effect all exists
More than 90%；And topramezone, halosulfuronmethyl and Simanex weight ratio are 2:2:Preventive effect is more up to 97.43% when 126.By
This explanation, topramezone, halosulfuronmethyl and Simanex are at weight ratio (0.375-3):(0.5-4):It is right in the range of (30-240)
Corn field common weed has preventive effect, and this herbicidal composition is to corn safety.
Control Weeds in Maize Field field control effectiveness test II：
1st, test process
(1) 13% topramezone halosulfuronmethyl Simanex wettable powder (2:2:126) 500g/ mus
(2) 52% topramezone halosulfuronmethyl Simanex wettable powders (2:2:126) 125g/ mus
(3) 80% topramezone halosulfuronmethyl Simanex wettable powders (2:2:126) 81.25g/ mus
Experiment sets 3 processing, and 4 repetitions, totally 12 processing cells, often handle 20 square metres of plot area, random district's groups
Arrangement.(1)~(3) topramezone halosulfuronmethyl Simanex wettable powder is reagent agent, is watered 30 kilograms per acre,
Using 552 third type sprayers (0.7mm apertures) even spraying.Field main weeds have eleusine indica, green bristlegrass, lady's-grass, purslane,
Amaranthus retroflexus, rhizome of nutgrass flatsedge etc..
2nd, pilot project and method
Herbicidal effect：Take at random per cell at 4 points, investigate 1/4 square metre, 30 days investigation weed control effects after dispenser at every
Fruit, records weeds species and strain number respectively, calculates weeds strain preventive effect.
3rd, result of the test：Herbicidal effect is shown in Table 13
Preventive effect of 30 days topramezone halosulfuronmethyl Simanexs to various weeds after 13 medicine of table
Note：(1) 13% topramezone halosulfuronmethyl Simanex wettable powder (2:2:126)
(2) 52% topramezone halosulfuronmethyl Simanex wettable powders (2:2:126)
(3) 80% topramezone halosulfuronmethyl Simanex wettable powders (2:2:126)
As shown in Table 13, when the weight ratio of topramezone, halosulfuronmethyl and Simanex is 2:2:When 126, different content
Topramezone halosulfuronmethyl Simanex wettable powder to common weed strain preventive effect more than 96%, show benzene azoles
When humulone, halosulfuronmethyl and Simanex weight ratio are optimal proportion, the herbicidal composition of different activities component content is to miscellaneous
Grass has significant preventive effect.
In conclusion instant component is reasonable, activity when preventive effect is administered alone better than each component is mainly miscellaneous to corn field
Grass has good preventive effect, expands control of weeds spectrum, has delayed the generation of herbicide resistance, to crop safety, met
The security requirement of pesticidal preparations.
Claims (7)
- A kind of 1. herbicidal composition, it is characterised in that said composition is made of tri- kinds of active ingredients of A, B and C, wherein activity into Point A is topramezone, and active ingredient B is halosulfuronmethyl, and active ingredient C is Simanex, the weight of the active components A, B and C Measuring ratio is：(0.375-3):(0.5-4):(30-240).
- 2. herbicidal composition according to claim 1, it is characterised in that the weight ratio of A, B and C is：(1.4-2.4): (1.4-2.8):(90-165)。
- 3. herbicidal composition according to claim 1, it is characterised in that the weight ratio of A, B and C is：(1.7-2.2): (1.7-2.4):(110-140)。
- 4. herbicidal composition according to claim 1, it is characterised in that the weight ratio of A, B and C is：2:2:126.
- 5. the preparation of herbicidal composition any one of 1-4 containing claim, it is characterised in that active ingredient is in herbicide Weight percentage in composition is 10~80%.
- 6. preparation according to claim 5, it is characterised in that the preparation can be any dose agriculturally allowed Type.
- 7. claim 1-4 any one of them herbicidal composition or claim 5-6 any one of them preparation are being prevented and kill off Application in corn field weed.
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| CN111972405A (en) * | 2020-07-27 | 2020-11-24 | 南京太化化工有限公司 | Auxiliary agent for suspending agent and isoxaflutole suspending agent |
| CN112244029A (en) * | 2020-10-30 | 2021-01-22 | 京博农化科技有限公司 | Weeding composition containing topramezone and application thereof |
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